A number is first increased by 40% and then decreased by 25%, again increased by 15% and then decreased by 20%. What is the net increase/decrease per cent in the number?

A number is first increased by 40% and then decreased by 25%, again in

1.	A number is first increased by 40% and then decreased by 25%, again increased by 15% and then decreased by 20%. What is the net increase/decrease per cent in the number?
A.	7.2% decrease
B.	6.4% increase
C.	3.4% decrease
D.	3.4% increase
Answer» D. 3.4% increase

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A number is first increased by 40% and then decreased by 25%, again increased by 15% and then decreased by 20%. What is the net increase/decrease per cent in the number?

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